diff options
Diffstat (limited to 'source/blender/editors/screen/glutil.c')
| -rw-r--r-- | source/blender/editors/screen/glutil.c | 737 |
1 files changed, 270 insertions, 467 deletions
diff --git a/source/blender/editors/screen/glutil.c b/source/blender/editors/screen/glutil.c index 14d877a8d69..a9e1738a1a3 100644 --- a/source/blender/editors/screen/glutil.c +++ b/source/blender/editors/screen/glutil.c @@ -50,79 +50,10 @@ #include "GPU_basic_shader.h" #include "GPU_immediate.h" +#include "GPU_matrix.h" #include "UI_interface.h" -/* DEPRECATED: use imm_draw_line instead */ -void fdrawline(float x1, float y1, float x2, float y2) -{ - glBegin(GL_LINES); - glVertex2f(x1, y1); - glVertex2f(x2, y2); - glEnd(); -} - -void fdrawbox(float x1, float y1, float x2, float y2) -{ - /* DEPRECATED: use imm_draw_line_box instead */ - glBegin(GL_LINE_LOOP); - - glVertex2f(x1, y1); - glVertex2f(x1, y2); - glVertex2f(x2, y2); - glVertex2f(x2, y1); - - glEnd(); -} - -void fdrawbox_filled(float x1, float y1, float x2, float y2) -{ - glBegin(GL_POLYGON); - - glVertex2f(x1, y1); - glVertex2f(x1, y2); - glVertex2f(x2, y2); - glVertex2f(x2, y1); - - glEnd(); -} - -void fdrawcheckerboard(float x1, float y1, float x2, float y2) /* DEPRECATED */ -{ - unsigned char col1[4] = {40, 40, 40}, col2[4] = {50, 50, 50}; - - glColor3ubv(col1); - glRectf(x1, y1, x2, y2); - glColor3ubv(col2); - - GPU_basic_shader_bind(GPU_SHADER_STIPPLE | GPU_SHADER_USE_COLOR); - GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_CHECKER_8PX); - glRectf(x1, y1, x2, y2); - GPU_basic_shader_bind(GPU_SHADER_USE_COLOR); -} - -void sdrawline(int x1, int y1, int x2, int y2) /* DEPRECATED */ -{ - glBegin(GL_LINES); - glVertex2i(x1, y1); - glVertex2i(x2, y2); - glEnd(); -} - -void sdrawbox(int x1, int y1, int x2, int y2) -{ - /* DEPRECATED: use imm_draw_line_box instead */ - glBegin(GL_LINE_LOOP); - - glVertex2i(x1, y1); - glVertex2i(x1, y2); - glVertex2i(x2, y2); - glVertex2i(x2, y1); - - glEnd(); -} - - /* ******************************************** */ void setlinestyle(int nr) @@ -151,45 +82,12 @@ void set_inverted_drawing(int enable) GL_TOGGLE(GL_DITHER, !enable); } - -void glutil_draw_filled_arc(float start, float angle, float radius, int nsegments) -{ - /* DEPRECATED */ - int i; - - glBegin(GL_TRIANGLE_FAN); - glVertex2f(0.0, 0.0); - for (i = 0; i < nsegments; i++) { - float t = (float) i / (nsegments - 1); - float cur = start + t * angle; - - glVertex2f(cosf(cur) * radius, sinf(cur) * radius); - } - glEnd(); -} - -void glutil_draw_lined_arc(float start, float angle, float radius, int nsegments) -{ - /* DEPRECATED */ - int i; - - glBegin(GL_LINE_STRIP); - for (i = 0; i < nsegments; i++) { - float t = (float) i / (nsegments - 1); - float cur = start + t * angle; - - glVertex2f(cosf(cur) * radius, sinf(cur) * radius); - } - glEnd(); -} - static void imm_draw_circle(PrimitiveType prim_type, unsigned pos, float x, float y, float rad, int nsegments) { immBegin(prim_type, nsegments); for (int i = 0; i < nsegments; ++i) { float angle = 2 * M_PI * ((float)i / (float)nsegments); - immVertex2f(pos, x + rad * cosf(angle), - y + rad * sinf(angle)); + immVertex2f(pos, x + rad * cosf(angle), y + rad * sinf(angle)); } immEnd(); } @@ -204,6 +102,28 @@ void imm_draw_filled_circle(unsigned pos, float x, float y, float rad, int nsegm imm_draw_circle(PRIM_TRIANGLE_FAN, pos, x, y, rad, nsegments); } +/** + * \note We could have `imm_draw_lined_disk_partial` but currently there is no need. + */ +static void imm_draw_disk_partial( + PrimitiveType prim_type, unsigned pos, float x, float y, + float rad_inner, float rad_outer, int nsegments, float start, float sweep) +{ + /* shift & reverse angle, increase 'nsegments' to match gluPartialDisk */ + const float angle_start = -(DEG2RADF(start)) + (M_PI / 2); + const float angle_end = -(DEG2RADF(sweep) - angle_start); + nsegments += 1; + immBegin(prim_type, nsegments * 2); + for (int i = 0; i < nsegments; ++i) { + const float angle = interpf(angle_start, angle_end, ((float)i / (float)(nsegments - 1))); + const float angle_sin = sinf(angle); + const float angle_cos = cosf(angle); + immVertex2f(pos, x + rad_inner * angle_cos, y + rad_inner * angle_sin); + immVertex2f(pos, x + rad_outer * angle_cos, y + rad_outer * angle_sin); + } + immEnd(); +} + static void imm_draw_circle_3D(GLenum prim_type, unsigned pos, float x, float y, float rad, int nsegments) { immBegin(prim_type, nsegments); @@ -254,14 +174,6 @@ void imm_draw_line_box(unsigned pos, float x1, float y1, float x2, float y2) immEnd(); } -void imm_draw_line(unsigned pos, float x1, float y1, float x2, float y2) -{ - immBegin(PRIM_LINES, 2); - immVertex2f(pos, x1, y1); - immVertex2f(pos, x2, y2); - immEnd(); -} - void imm_draw_line_box_3D(unsigned pos, float x1, float y1, float x2, float y2) { /* use this version when VertexFormat has a vec3 position */ @@ -273,11 +185,151 @@ void imm_draw_line_box_3D(unsigned pos, float x1, float y1, float x2, float y2) immEnd(); } +void imm_draw_checker_box(float x1, float y1, float x2, float y2) +{ + unsigned int pos = add_attrib(immVertexFormat(), "pos", GL_FLOAT, 2, KEEP_FLOAT); + immBindBuiltinProgram(GPU_SHADER_2D_CHECKER); + + immUniform4f("color1", 0.15f, 0.15f, 0.15f, 1.0f); + immUniform4f("color2", 0.2f, 0.2f, 0.2f, 1.0f); + immUniform1i("size", 8); + + immRectf(pos, x1, y1, x2, y2); + + immUnbindProgram(); +} + void imm_cpack(unsigned int x) { - immUniformColor3ub(((x)& 0xFF), - (((x) >> 8) & 0xFF), - (((x) >> 16) & 0xFF)); + immUniformColor3ub(((x) & 0xFF), + (((x) >> 8) & 0xFF), + (((x) >> 16) & 0xFF)); +} + +void imm_cylinder_nor(unsigned int pos, unsigned int nor, float base, float top, float height, int slices, int stacks) +{ + immBegin(GL_TRIANGLES, 6 * slices * stacks); + for (int i = 0; i < slices; ++i) { + const float angle1 = 2 * M_PI * ((float)i / (float)slices); + const float angle2 = 2 * M_PI * ((float)(i + 1) / (float)slices); + const float cos1 = cosf(angle1); + const float sin1 = sinf(angle1); + const float cos2 = cosf(angle2); + const float sin2 = sinf(angle2); + + for (int j = 0; j < stacks; ++j) { + float fac1 = (float)j / (float)stacks; + float fac2 = (float)(j + 1) / (float)stacks; + float r1 = base * (1.f - fac1) + top * fac1; + float r2 = base * (1.f - fac2) + top * fac2; + float h1 = height * ((float)j / (float)stacks); + float h2 = height * ((float)(j + 1) / (float)stacks); + + float v1[3] = {r1 *cos2, r1 * sin2, h1}; + float v2[3] = {r2 *cos2, r2 * sin2, h2}; + float v3[3] = {r2 *cos1, r2 * sin1, h2}; + float v4[3] = {r1 *cos1, r1 * sin1, h1}; + float n1[3], n2[3]; + + /* calc normals */ + sub_v3_v3v3(n1, v2, v1); + normalize_v3(n1); + n1[0] = cos1; n1[1] = sin1; n1[2] = 1 - n1[2]; + + sub_v3_v3v3(n2, v3, v4); + normalize_v3(n2); + n2[0] = cos2; n2[1] = sin2; n2[2] = 1 - n2[2]; + + /* first tri */ + immAttrib3fv(nor, n2); + immVertex3fv(pos, v1); + immVertex3fv(pos, v2); + immAttrib3fv(nor, n1); + immVertex3fv(pos, v3); + + /* second tri */ + immVertex3fv(pos, v3); + immVertex3fv(pos, v4); + immAttrib3fv(nor, n2); + immVertex3fv(pos, v1); + } + } + immEnd(); +} + +void imm_cylinder_wire(unsigned int pos, float base, float top, float height, int slices, int stacks) +{ + immBegin(GL_LINES, 6 * slices * stacks); + for (int i = 0; i < slices; ++i) { + const float angle1 = 2 * M_PI * ((float)i / (float)slices); + const float angle2 = 2 * M_PI * ((float)(i + 1) / (float)slices); + const float cos1 = cosf(angle1); + const float sin1 = sinf(angle1); + const float cos2 = cosf(angle2); + const float sin2 = sinf(angle2); + + for (int j = 0; j < stacks; ++j) { + float fac1 = (float)j / (float)stacks; + float fac2 = (float)(j + 1) / (float)stacks; + float r1 = base * (1.f - fac1) + top * fac1; + float r2 = base * (1.f - fac2) + top * fac2; + float h1 = height * ((float)j / (float)stacks); + float h2 = height * ((float)(j + 1) / (float)stacks); + + float v1[3] = {r1 * cos2, r1 * sin2, h1}; + float v2[3] = {r2 * cos2, r2 * sin2, h2}; + float v3[3] = {r2 * cos1, r2 * sin1, h2}; + float v4[3] = {r1 * cos1, r1 * sin1, h1}; + + immVertex3fv(pos, v1); + immVertex3fv(pos, v2); + + immVertex3fv(pos, v2); + immVertex3fv(pos, v3); + + immVertex3fv(pos, v1); + immVertex3fv(pos, v4); + } + } + immEnd(); +} + +void imm_cylinder(unsigned int pos, float base, float top, float height, int slices, int stacks) +{ + immBegin(GL_TRIANGLES, 6 * slices * stacks); + for (int i = 0; i < slices; ++i) { + const float angle1 = 2 * M_PI * ((float)i / (float)slices); + const float angle2 = 2 * M_PI * ((float)(i + 1) / (float)slices); + const float cos1 = cosf(angle1); + const float sin1 = sinf(angle1); + const float cos2 = cosf(angle2); + const float sin2 = sinf(angle2); + + for (int j = 0; j < stacks; ++j) { + float fac1 = (float)j / (float)stacks; + float fac2 = (float)(j + 1) / (float)stacks; + float r1 = base * (1.f - fac1) + top * fac1; + float r2 = base * (1.f - fac2) + top * fac2; + float h1 = height * ((float)j / (float)stacks); + float h2 = height * ((float)(j + 1) / (float)stacks); + + float v1[3] = {r1 * cos2, r1 * sin2, h1}; + float v2[3] = {r2 * cos2, r2 * sin2, h2}; + float v3[3] = {r2 * cos1, r2 * sin1, h2}; + float v4[3] = {r1 * cos1, r1 * sin1, h1}; + + /* first tri */ + immVertex3fv(pos, v1); + immVertex3fv(pos, v2); + immVertex3fv(pos, v3); + + /* second tri */ + immVertex3fv(pos, v3); + immVertex3fv(pos, v4); + immVertex3fv(pos, v1); + } + } + immEnd(); } float glaGetOneFloat(int param) @@ -335,274 +387,34 @@ static int get_cached_work_texture(int *r_w, int *r_h) return texid; } -/* DEPRECATED: use immDrawPixelsTexScaled_clipping instead */ -void glaDrawPixelsTexScaled_clipping(float x, float y, int img_w, int img_h, - int format, int type, int zoomfilter, void *rect, - float scaleX, float scaleY, - float clip_min_x, float clip_min_y, - float clip_max_x, float clip_max_y) +/* To be used before calling immDrawPixelsTex + * Default shader is GPU_SHADER_2D_IMAGE_COLOR + * You can still set uniforms with : + * GPU_shader_uniform_int(shader, GPU_shader_get_uniform(shader, "name"), 0); + * */ +GPUShader *immDrawPixelsTexSetup(int builtin) { - unsigned char *uc_rect = (unsigned char *) rect; - const float *f_rect = (float *)rect; - float xzoom = glaGetOneFloat(GL_ZOOM_X), yzoom = glaGetOneFloat(GL_ZOOM_Y); - int subpart_x, subpart_y, tex_w, tex_h; - int seamless, offset_x, offset_y, nsubparts_x, nsubparts_y; - int texid = get_cached_work_texture(&tex_w, &tex_h); - int components; - const bool use_clipping = ((clip_min_x < clip_max_x) && (clip_min_y < clip_max_y)); - - /* Specify the color outside this function, and tex will modulate it. - * This is useful for changing alpha without using glPixelTransferf() - */ - glPixelStorei(GL_UNPACK_ROW_LENGTH, img_w); - glBindTexture(GL_TEXTURE_2D, texid); - - /* don't want nasty border artifacts */ - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, zoomfilter); - - /* setup seamless 2=on, 0=off */ - seamless = ((tex_w < img_w || tex_h < img_h) && tex_w > 2 && tex_h > 2) ? 2 : 0; - - offset_x = tex_w - seamless; - offset_y = tex_h - seamless; - - nsubparts_x = (img_w + (offset_x - 1)) / (offset_x); - nsubparts_y = (img_h + (offset_y - 1)) / (offset_y); + GPUShader *shader = GPU_shader_get_builtin_shader(builtin); + /* Shader will be unbind by immUnbindProgram in immDrawPixelsTexScaled_clipping */ + GPU_shader_bind(shader); + GPU_shader_uniform_int(shader, GPU_shader_get_uniform(shader, "image"), 0); - if (format == GL_RGBA) - components = 4; - else if (format == GL_RGB) - components = 3; - else if (ELEM(format, GL_LUMINANCE, GL_ALPHA)) - components = 1; - else { - BLI_assert(!"Incompatible format passed to glaDrawPixelsTexScaled"); - return; - } - - if (type == GL_FLOAT) { - /* need to set internal format to higher range float */ - - /* NOTE: this could fail on some drivers, like mesa, - * but currently this code is only used by color - * management stuff which already checks on whether - * it's possible to use GL_RGBA16F_ARB - */ - - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, tex_w, tex_h, 0, format, GL_FLOAT, NULL); - } - else { - /* switch to 8bit RGBA for byte buffer */ - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, tex_w, tex_h, 0, format, GL_UNSIGNED_BYTE, NULL); - } - - for (subpart_y = 0; subpart_y < nsubparts_y; subpart_y++) { - for (subpart_x = 0; subpart_x < nsubparts_x; subpart_x++) { - int remainder_x = img_w - subpart_x * offset_x; - int remainder_y = img_h - subpart_y * offset_y; - int subpart_w = (remainder_x < tex_w) ? remainder_x : tex_w; - int subpart_h = (remainder_y < tex_h) ? remainder_y : tex_h; - int offset_left = (seamless && subpart_x != 0) ? 1 : 0; - int offset_bot = (seamless && subpart_y != 0) ? 1 : 0; - int offset_right = (seamless && remainder_x > tex_w) ? 1 : 0; - int offset_top = (seamless && remainder_y > tex_h) ? 1 : 0; - float rast_x = x + subpart_x * offset_x * xzoom; - float rast_y = y + subpart_y * offset_y * yzoom; - /* check if we already got these because we always get 2 more when doing seamless */ - if (subpart_w <= seamless || subpart_h <= seamless) - continue; - - if (use_clipping) { - if (rast_x + (float)(subpart_w - offset_right) * xzoom * scaleX < clip_min_x || - rast_y + (float)(subpart_h - offset_top) * yzoom * scaleY < clip_min_y) - { - continue; - } - if (rast_x + (float)offset_left * xzoom > clip_max_x || - rast_y + (float)offset_bot * yzoom > clip_max_y) - { - continue; - } - } - - if (type == GL_FLOAT) { - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, subpart_w, subpart_h, format, GL_FLOAT, &f_rect[((size_t)subpart_y) * offset_y * img_w * components + subpart_x * offset_x * components]); - - /* add an extra border of pixels so linear looks ok at edges of full image */ - if (subpart_w < tex_w) - glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, 0, 1, subpart_h, format, GL_FLOAT, &f_rect[((size_t)subpart_y) * offset_y * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]); - if (subpart_h < tex_h) - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, subpart_h, subpart_w, 1, format, GL_FLOAT, &f_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + subpart_x * offset_x * components]); - if (subpart_w < tex_w && subpart_h < tex_h) - glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, subpart_h, 1, 1, format, GL_FLOAT, &f_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]); - } - else { - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, subpart_w, subpart_h, format, GL_UNSIGNED_BYTE, &uc_rect[((size_t)subpart_y) * offset_y * img_w * components + subpart_x * offset_x * components]); - - if (subpart_w < tex_w) - glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, 0, 1, subpart_h, format, GL_UNSIGNED_BYTE, &uc_rect[((size_t)subpart_y) * offset_y * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]); - if (subpart_h < tex_h) - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, subpart_h, subpart_w, 1, format, GL_UNSIGNED_BYTE, &uc_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + subpart_x * offset_x * components]); - if (subpart_w < tex_w && subpart_h < tex_h) - glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, subpart_h, 1, 1, format, GL_UNSIGNED_BYTE, &uc_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]); - } - - GPU_basic_shader_bind(GPU_SHADER_TEXTURE_2D | GPU_SHADER_USE_COLOR); - glBegin(GL_QUADS); - glTexCoord2f((float)(0 + offset_left) / tex_w, (float)(0 + offset_bot) / tex_h); - glVertex2f(rast_x + (float)offset_left * xzoom, rast_y + (float)offset_bot * yzoom); - - glTexCoord2f((float)(subpart_w - offset_right) / tex_w, (float)(0 + offset_bot) / tex_h); - glVertex2f(rast_x + (float)(subpart_w - offset_right) * xzoom * scaleX, rast_y + (float)offset_bot * yzoom); - - glTexCoord2f((float)(subpart_w - offset_right) / tex_w, (float)(subpart_h - offset_top) / tex_h); - glVertex2f(rast_x + (float)(subpart_w - offset_right) * xzoom * scaleX, rast_y + (float)(subpart_h - offset_top) * yzoom * scaleY); - - glTexCoord2f((float)(0 + offset_left) / tex_w, (float)(subpart_h - offset_top) / tex_h); - glVertex2f(rast_x + (float)offset_left * xzoom, rast_y + (float)(subpart_h - offset_top) * yzoom * scaleY); - glEnd(); - GPU_basic_shader_bind(GPU_SHADER_USE_COLOR); - } - } - - glBindTexture(GL_TEXTURE_2D, 0); - glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); -} - -/* DEPRECATED: use immDrawPixelsTexScaled instead */ -void glaDrawPixelsTexScaled(float x, float y, int img_w, int img_h, - int format, int type, int zoomfilter, void *rect, - float scaleX, float scaleY) -{ - glaDrawPixelsTexScaled_clipping(x, y, img_w, img_h, format, type, zoomfilter, rect, - scaleX, scaleY, 0.0f, 0.0f, 0.0f, 0.0f); -} - -/* DEPRECATED: use immDrawPixelsTex instead */ -void glaDrawPixelsTex(float x, float y, int img_w, int img_h, int format, int type, int zoomfilter, void *rect) -{ - glaDrawPixelsTexScaled_clipping(x, y, img_w, img_h, format, type, zoomfilter, rect, 1.0f, 1.0f, - 0.0f, 0.0f, 0.0f, 0.0f); -} - -/* DEPRECATED: use immDrawPixelsTex_clipping instead */ -void glaDrawPixelsTex_clipping(float x, float y, int img_w, int img_h, - int format, int type, int zoomfilter, void *rect, - float clip_min_x, float clip_min_y, float clip_max_x, float clip_max_y) -{ - glaDrawPixelsTexScaled_clipping(x, y, img_w, img_h, format, type, zoomfilter, rect, 1.0f, 1.0f, - clip_min_x, clip_min_y, clip_max_x, clip_max_y); + return shader; } -void glaDrawPixelsSafe(float x, float y, int img_w, int img_h, int row_w, int format, int type, void *rect) -{ - float xzoom = glaGetOneFloat(GL_ZOOM_X); - float yzoom = glaGetOneFloat(GL_ZOOM_Y); - - /* The pixel space coordinate of the intersection of - * the [zoomed] image with the origin. - */ - float ix = -x / xzoom; - float iy = -y / yzoom; - - /* The maximum pixel amounts the image can be cropped - * at the lower left without exceeding the origin. - */ - int off_x = floor(max_ff(ix, 0.0f)); - int off_y = floor(max_ff(iy, 0.0f)); - - /* The zoomed space coordinate of the raster position - * (starting at the lower left most unclipped pixel). - */ - float rast_x = x + off_x * xzoom; - float rast_y = y + off_y * yzoom; - - GLfloat scissor[4]; - int draw_w, draw_h; - - /* Determine the smallest number of pixels we need to draw - * before the image would go off the upper right corner. - * - * It may seem this is just an optimization but some graphics - * cards (ATI) freak out if there is a large zoom factor and - * a large number of pixels off the screen (probably at some - * level the number of image pixels to draw is getting multiplied - * by the zoom and then clamped). Making sure we draw the - * fewest pixels possible keeps everyone mostly happy (still - * fails if we zoom in on one really huge pixel so that it - * covers the entire screen). - */ - glGetFloatv(GL_SCISSOR_BOX, scissor); - draw_w = min_ii(img_w - off_x, ceil((scissor[2] - rast_x) / xzoom)); - draw_h = min_ii(img_h - off_y, ceil((scissor[3] - rast_y) / yzoom)); - - if (draw_w > 0 && draw_h > 0) { - - int bound_options; - GPU_BASIC_SHADER_DISABLE_AND_STORE(bound_options); - - /* Don't use safe RasterPos (slower) if we can avoid it. */ - if (rast_x >= 0 && rast_y >= 0) { - glRasterPos2f(rast_x, rast_y); - } - else { - glaRasterPosSafe2f(rast_x, rast_y, 0, 0); - } - - glPixelStorei(GL_UNPACK_ROW_LENGTH, row_w); - if (format == GL_LUMINANCE || format == GL_RED) { - if (type == GL_FLOAT) { - const float *f_rect = (float *)rect; - glDrawPixels(draw_w, draw_h, format, type, f_rect + (off_y * row_w + off_x)); - } - else if (type == GL_INT || type == GL_UNSIGNED_INT) { - const int *i_rect = (int *)rect; - glDrawPixels(draw_w, draw_h, format, type, i_rect + (off_y * row_w + off_x)); - } - } - else { /* RGBA */ - if (type == GL_FLOAT) { - const float *f_rect = (float *)rect; - glDrawPixels(draw_w, draw_h, format, type, f_rect + (off_y * row_w + off_x) * 4); - } - else if (type == GL_UNSIGNED_BYTE) { - unsigned char *uc_rect = (unsigned char *) rect; - glDrawPixels(draw_w, draw_h, format, type, uc_rect + (off_y * row_w + off_x) * 4); - } - } - - glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); - - GPU_BASIC_SHADER_ENABLE_AND_RESTORE(bound_options); - } -} - -/* uses either DrawPixelsSafe or DrawPixelsTex, based on user defined maximum */ -void glaDrawPixelsAuto_clipping(float x, float y, int img_w, int img_h, - int format, int type, int zoomfilter, void *rect, - float clip_min_x, float clip_min_y, - float clip_max_x, float clip_max_y) -{ - if (U.image_draw_method != IMAGE_DRAW_METHOD_DRAWPIXELS) { - glColor4f(1.0, 1.0, 1.0, 1.0); - glaDrawPixelsTex_clipping(x, y, img_w, img_h, format, type, zoomfilter, rect, - clip_min_x, clip_min_y, clip_max_x, clip_max_y); - } - else { - glaDrawPixelsSafe(x, y, img_w, img_h, img_w, format, type, rect); - } -} - -void glaDrawPixelsAuto(float x, float y, int img_w, int img_h, int format, int type, int zoomfilter, void *rect) -{ - glaDrawPixelsAuto_clipping(x, y, img_w, img_h, format, type, zoomfilter, rect, - 0.0f, 0.0f, 0.0f, 0.0f); -} - -/* TODO this is utterly slow and need some love - * but in the meantime it's not using deprecated api */ +/* Use the currently bound shader. + * + * Use immDrawPixelsTexSetup to bind the shader you + * want before calling immDrawPixelsTex. + * + * If using a special shader double check it uses the same + * attributes "pos" "texCoord" and uniform "image". + * + * If color is NULL then use white by default + * + * Be also aware that this function unbinds the shader when + * it's finished. + * */ void immDrawPixelsTexScaled_clipping(float x, float y, int img_w, int img_h, int format, int type, int zoomfilter, void *rect, float scaleX, float scaleY, @@ -617,10 +429,11 @@ void immDrawPixelsTexScaled_clipping(float x, float y, int img_w, int img_h, int texid = get_cached_work_texture(&tex_w, &tex_h); int components; const bool use_clipping = ((clip_min_x < clip_max_x) && (clip_min_y < clip_max_y)); + float white[4] = {1.0f, 1.0f, 1.0f, 1.0f}; + + GLint unpack_row_length; + glGetIntegerv(GL_UNPACK_ROW_LENGTH, &unpack_row_length); - /* Specify the color outside this function, and tex will modulate it. - * This is useful for changing alpha without using glPixelTransferf() - */ glPixelStorei(GL_UNPACK_ROW_LENGTH, img_w); glBindTexture(GL_TEXTURE_2D, texid); @@ -670,9 +483,21 @@ void immDrawPixelsTexScaled_clipping(float x, float y, int img_w, int img_h, unsigned int pos = add_attrib(vert_format, "pos", GL_FLOAT, 2, KEEP_FLOAT); unsigned int texco = add_attrib(vert_format, "texCoord", GL_FLOAT, 2, KEEP_FLOAT); - immBindBuiltinProgram(GPU_SHADER_2D_IMAGE_COLOR); - immUniform4fv("color", color); - immUniform1i("image", 0); + unsigned int program = glaGetOneInt(GL_CURRENT_PROGRAM); + + /* This is needed for the OCIO case. + * Shader program is set outside of blender and + * we need it in imm module to do all attrib / + * uniform bindings. */ + + /* A program is already bound. + * set it in imm.bound_program to be able to use imm functions */ + BLI_assert(program); + immBindProgram(program); + + /* optionnal */ + if (glGetUniformLocation(program, "color") != -1) + immUniform4fv("color", (color) ? color : white); for (subpart_y = 0; subpart_y < nsubparts_y; subpart_y++) { for (subpart_x = 0; subpart_x < nsubparts_x; subpart_x++) { @@ -744,7 +569,7 @@ void immDrawPixelsTexScaled_clipping(float x, float y, int img_w, int img_h, immUnbindProgram(); glBindTexture(GL_TEXTURE_2D, 0); - glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); + glPixelStorei(GL_UNPACK_ROW_LENGTH, unpack_row_length); } void immDrawPixelsTexScaled(float x, float y, int img_w, int img_h, @@ -787,13 +612,18 @@ void glaDefine2DArea(rcti *screen_rect) * Programming Guide, Appendix H, Correctness Tips. */ +#if 1 /* new style */ + gpuOrtho2D(GLA_PIXEL_OFS, sc_w + GLA_PIXEL_OFS, GLA_PIXEL_OFS, sc_h + GLA_PIXEL_OFS); + gpuLoadIdentity(); +#else /* original */ glMatrixMode(GL_PROJECTION); - glLoadIdentity(); + gpuLoadIdentity(); glOrtho(0.0, sc_w, 0.0, sc_h, -1, 1); - glTranslatef(GLA_PIXEL_OFS, GLA_PIXEL_OFS, 0.0); + gpuTranslate2f(GLA_PIXEL_OFS, GLA_PIXEL_OFS); glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); + gpuLoadIdentity(); +#endif } /* TODO(merwin): put the following 2D code to use, or build new 2D code inspired & informd by it */ @@ -851,8 +681,8 @@ gla2DDrawInfo *glaBegin2DDraw(rcti *screen_rect, rctf *world_rect) glGetIntegerv(GL_VIEWPORT, (GLint *)di->orig_vp); glGetIntegerv(GL_SCISSOR_BOX, (GLint *)di->orig_sc); - glGetFloatv(GL_PROJECTION_MATRIX, (GLfloat *)di->orig_projmat); - glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *)di->orig_viewmat); + gpuGetProjectionMatrix3D(di->orig_projmat); + gpuGetModelViewMatrix3D(di->orig_viewmat); di->screen_rect = *screen_rect; if (world_rect) { @@ -903,10 +733,8 @@ void glaEnd2DDraw(gla2DDrawInfo *di) { glViewport(di->orig_vp[0], di->orig_vp[1], di->orig_vp[2], di->orig_vp[3]); glScissor(di->orig_vp[0], di->orig_vp[1], di->orig_vp[2], di->orig_vp[3]); - glMatrixMode(GL_PROJECTION); - glLoadMatrixf(di->orig_projmat); - glMatrixMode(GL_MODELVIEW); - glLoadMatrixf(di->orig_viewmat); + gpuLoadProjectionMatrix3D(di->orig_projmat); + gpuLoadMatrix3D(di->orig_viewmat); MEM_freeN(di); } @@ -914,33 +742,6 @@ void glaEnd2DDraw(gla2DDrawInfo *di) #endif /* UNUSED */ -/* Uses current OpenGL state to get view matrices for gluProject/gluUnProject */ -void bgl_get_mats(bglMats *mats) -{ - const double badvalue = 1.0e-6; - - glGetDoublev(GL_MODELVIEW_MATRIX, mats->modelview); - glGetDoublev(GL_PROJECTION_MATRIX, mats->projection); - glGetIntegerv(GL_VIEWPORT, (GLint *)mats->viewport); - - /* Very strange code here - it seems that certain bad values in the - * modelview matrix can cause gluUnProject to give bad results. */ - if (mats->modelview[0] < badvalue && - mats->modelview[0] > -badvalue) - { - mats->modelview[0] = 0; - } - if (mats->modelview[5] < badvalue && - mats->modelview[5] > -badvalue) - { - mats->modelview[5] = 0; - } - - /* Set up viewport so that gluUnProject will give correct values */ - mats->viewport[0] = 0; - mats->viewport[1] = 0; -} - /* *************** glPolygonOffset hack ************* */ /** @@ -957,8 +758,7 @@ void bglPolygonOffset(float viewdist, float dist) // glPolygonOffset(-1.0, -1.0); /* hack below is to mimic polygon offset */ - glMatrixMode(GL_PROJECTION); - glGetFloatv(GL_PROJECTION_MATRIX, (float *)winmat); + gpuGetProjectionMatrix3D((float (*)[4])winmat); /* dist is from camera to center point */ @@ -989,17 +789,13 @@ void bglPolygonOffset(float viewdist, float dist) winmat[14] -= offs; offset += offs; - - glLoadMatrixf(winmat); - glMatrixMode(GL_MODELVIEW); } else { - glMatrixMode(GL_PROJECTION); winmat[14] += offset; offset = 0.0; - glLoadMatrixf(winmat); - glMatrixMode(GL_MODELVIEW); } + + gpuLoadProjectionMatrix3D((const float (*)[4])winmat); } /* **** Color management helper functions for GLSL display/transform ***** */ @@ -1009,7 +805,8 @@ void glaDrawImBuf_glsl_clipping(ImBuf *ibuf, float x, float y, int zoomfilter, ColorManagedViewSettings *view_settings, ColorManagedDisplaySettings *display_settings, float clip_min_x, float clip_min_y, - float clip_max_x, float clip_max_y) + float clip_max_x, float clip_max_y, + float zoom_x, float zoom_y) { bool force_fallback = false; bool need_fallback = true; @@ -1046,8 +843,6 @@ void glaDrawImBuf_glsl_clipping(ImBuf *ibuf, float x, float y, int zoomfilter, } if (ok) { - glColor4f(1.0, 1.0, 1.0, 1.0); - if (ibuf->rect_float) { int format = 0; @@ -1059,16 +854,18 @@ void glaDrawImBuf_glsl_clipping(ImBuf *ibuf, float x, float y, int zoomfilter, BLI_assert(!"Incompatible number of channels for GLSL display"); if (format != 0) { - glaDrawPixelsTex_clipping(x, y, ibuf->x, ibuf->y, format, GL_FLOAT, + immDrawPixelsTex_clipping(x, y, ibuf->x, ibuf->y, format, GL_FLOAT, zoomfilter, ibuf->rect_float, - clip_min_x, clip_min_y, clip_max_x, clip_max_y); + clip_min_x, clip_min_y, clip_max_x, clip_max_y, + zoom_x, zoom_y, NULL); } } else if (ibuf->rect) { /* ibuf->rect is always RGBA */ - glaDrawPixelsTex_clipping(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, + immDrawPixelsTex_clipping(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, zoomfilter, ibuf->rect, - clip_min_x, clip_min_y, clip_max_x, clip_max_y); + clip_min_x, clip_min_y, clip_max_x, clip_max_y, + zoom_x, zoom_y, NULL); } IMB_colormanagement_finish_glsl_draw(); @@ -1085,9 +882,11 @@ void glaDrawImBuf_glsl_clipping(ImBuf *ibuf, float x, float y, int zoomfilter, display_buffer = IMB_display_buffer_acquire(ibuf, view_settings, display_settings, &cache_handle); if (display_buffer) { - glaDrawPixelsAuto_clipping(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, - zoomfilter, display_buffer, - clip_min_x, clip_min_y, clip_max_x, clip_max_y); + immDrawPixelsTexSetup(GPU_SHADER_2D_IMAGE_COLOR); + immDrawPixelsTex_clipping(x, y, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, + zoomfilter, display_buffer, + clip_min_x, clip_min_y, clip_max_x, clip_max_y, + zoom_x, zoom_y, NULL); } IMB_display_buffer_release(cache_handle); @@ -1096,10 +895,11 @@ void glaDrawImBuf_glsl_clipping(ImBuf *ibuf, float x, float y, int zoomfilter, void glaDrawImBuf_glsl(ImBuf *ibuf, float x, float y, int zoomfilter, ColorManagedViewSettings *view_settings, - ColorManagedDisplaySettings *display_settings) + ColorManagedDisplaySettings *display_settings, + float zoom_x, float zoom_y) { glaDrawImBuf_glsl_clipping(ibuf, x, y, zoomfilter, view_settings, display_settings, - 0.0f, 0.0f, 0.0f, 0.0f); + 0.0f, 0.0f, 0.0f, 0.0f, zoom_x, zoom_y); } void glaDrawImBuf_glsl_ctx_clipping(const bContext *C, @@ -1107,7 +907,8 @@ void glaDrawImBuf_glsl_ctx_clipping(const bContext *C, float x, float y, int zoomfilter, float clip_min_x, float clip_min_y, - float clip_max_x, float clip_max_y) + float clip_max_x, float clip_max_y, + float zoom_x, float zoom_y) { ColorManagedViewSettings *view_settings; ColorManagedDisplaySettings *display_settings; @@ -1115,12 +916,14 @@ void glaDrawImBuf_glsl_ctx_clipping(const bContext *C, IMB_colormanagement_display_settings_from_ctx(C, &view_settings, &display_settings); glaDrawImBuf_glsl_clipping(ibuf, x, y, zoomfilter, view_settings, display_settings, - clip_min_x, clip_min_y, clip_max_x, clip_max_y); + clip_min_x, clip_min_y, clip_max_x, clip_max_y, + zoom_x, zoom_y); } -void glaDrawImBuf_glsl_ctx(const bContext *C, ImBuf *ibuf, float x, float y, int zoomfilter) +void glaDrawImBuf_glsl_ctx(const bContext *C, ImBuf *ibuf, float x, float y, int zoomfilter, + float zoom_x, float zoom_y) { - glaDrawImBuf_glsl_ctx_clipping(C, ibuf, x, y, zoomfilter, 0.0f, 0.0f, 0.0f, 0.0f); + glaDrawImBuf_glsl_ctx_clipping(C, ibuf, x, y, zoomfilter, 0.0f, 0.0f, 0.0f, 0.0f, zoom_x, zoom_y); } void cpack(unsigned int x) @@ -1131,7 +934,7 @@ void cpack(unsigned int x) (((x) >> 16) & 0xFF)); } -void glaDrawBorderCorners(const rcti *border, float zoomx, float zoomy) +void immDrawBorderCorners(unsigned int pos, const rcti *border, float zoomx, float zoomy) { float delta_x = 4.0f * UI_DPI_FAC / zoomx; float delta_y = 4.0f * UI_DPI_FAC / zoomy; @@ -1140,30 +943,30 @@ void glaDrawBorderCorners(const rcti *border, float zoomx, float zoomy) delta_y = min_ff(delta_y, border->ymax - border->ymin); /* left bottom corner */ - glBegin(GL_LINE_STRIP); - glVertex2f(border->xmin, border->ymin + delta_y); - glVertex2f(border->xmin, border->ymin); - glVertex2f(border->xmin + delta_x, border->ymin); - glEnd(); + immBegin(GL_LINE_STRIP, 3); + immVertex2f(pos, border->xmin, border->ymin + delta_y); + immVertex2f(pos, border->xmin, border->ymin); + immVertex2f(pos, border->xmin + delta_x, border->ymin); + immEnd(); /* left top corner */ - glBegin(GL_LINE_STRIP); - glVertex2f(border->xmin, border->ymax - delta_y); - glVertex2f(border->xmin, border->ymax); - glVertex2f(border->xmin + delta_x, border->ymax); - glEnd(); + immBegin(GL_LINE_STRIP, 3); + immVertex2f(pos, border->xmin, border->ymax - delta_y); + immVertex2f(pos, border->xmin, border->ymax); + immVertex2f(pos, border->xmin + delta_x, border->ymax); + immEnd(); /* right bottom corner */ - glBegin(GL_LINE_STRIP); - glVertex2f(border->xmax - delta_x, border->ymin); - glVertex2f(border->xmax, border->ymin); - glVertex2f(border->xmax, border->ymin + delta_y); - glEnd(); + immBegin(GL_LINE_STRIP, 3); + immVertex2f(pos, border->xmax - delta_x, border->ymin); + immVertex2f(pos, border->xmax, border->ymin); + immVertex2f(pos, border->xmax, border->ymin + delta_y); + immEnd(); /* right top corner */ - glBegin(GL_LINE_STRIP); - glVertex2f(border->xmax - delta_x, border->ymax); - glVertex2f(border->xmax, border->ymax); - glVertex2f(border->xmax, border->ymax - delta_y); - glEnd(); + immBegin(GL_LINE_STRIP, 3); + immVertex2f(pos, border->xmax - delta_x, border->ymax); + immVertex2f(pos, border->xmax, border->ymax); + immVertex2f(pos, border->xmax, border->ymax - delta_y); + immEnd(); } |